CCNA Configuration SIM Question
Question:
To configure the router (R2-RC) click on the console host icon that is connected to a router by a serial console cable (shown in the diagram as a dashed black line)
CCNA Training Company recently installed a new router in their office. Complete the network installation by performing the initial router configurations and configuring RIPV2 routing using the router command line interface (CLI) on the R2-RC.
Name of the router is R2-RC
Enable-secret password is cisco1
The password to access user EXEC mode using the console is cisco2
The password to allow telnet access to the router is cisco3
IPV4 addresses must be configured as follows:
Ethernet network 209.165.202.128/27 – router has last assignable host address in subnet
Serial network is 192.0.2.16/28 – router has last assignable host address in the subnet. Interfaces should be enabled.
Router protocol is RIP V2
| Attention : In practical examinations, please note the following, the actual information will prevail. 1. Name of the router is xxx 2. Enable-secret password is xxx 3. Password to access user EXEC mode using the console is xxx 4. The password to allow telnet access to the router is xxx 5. IP information |
Solution
(Note: If you are not sure how RIP works, please read my RIP tutorial: http://www.9tut.com/rip-routing-protocol-tutorial. Note: You can download this sim to practice here: http://www.9tut.com/download/9tut.com_CCNA_RIP_Configuration.zip)
1) Name the router:
Router>enable
Router#configure terminal
Router(config)#hostname R2-RC
2) Set secret password:
R2-RC(config)# enable secret cisco1
3) Set password for the console:
R2-RC(config)#line console 0
R2-RC(config-line)#password cisco2
R2-RC(config-line)#login
R2-RC(config-line)#exit
4) Set the Telnet password:
R2-RC(config)#line vty 0 4
R2-RC(config-line)#password cisco3
R2-RC(config-line)#login
R2-RC(config-line)#exit
5) Assign IP address for Ethernet interface (Fa0/0):
The Ethernet network 209.165.202.128/27 has:
Increment:32 (/27 = 255.255.255.224 or 1111 1111.1111 1111.1111 1111.1110 0000)
Network address: 209.165.202.128
Broadcast address: 209.165.202.159 (because 128 + 32 – 1 = 159)
Therefore the last assignable host address in this subnet is 209.165.202.158 and we will assign it to Fa0/0 interface with these commands:
R2-RC(config)# interface fa0/0
R2-RC(config-if)#ip address 209.165.202.158 255.255.255.224
R2-RC(config-if)#no shutdown
R2-RC(config-if)#exit
6) Assign IP address for Serial interface (S0/0/0):
Serial network 192.0.2.16/28 has:
Increment:16 (/28 = 255.255.255.240 or 1111 1111.1111 1111.1111 1111.1111 0000)
Network address: 192.0.2.16
Broadcast address: 192.0.2.31 (because 16 + 16 – 1 = 31)
So the last assignable host address in this subnet is 192.0.2.30. Finally we assign it to s0/0/0 interface:
R2-RC(config)# interface s0/0/0
R2-RC(config-if)#ip address 192.0.2.30 255.255.255.240
R2-RC(config-if)#no shutdown
R2-RC(config-if)#exit
7) Configure RIP v2 routing protocol:
R2-RC(config)#router rip
R2-RC(config-router)#version 2
R2-RC(config-router)#network 209.165.202.0
R2-RC(config-router)#network 192.0.2.0
R2-RC(config-router)#end
R2-RC#copy running-config startup-config
Note: We should use classful networks (209.165.202.0 & 192.0.2.0) when configuring RIP. If we use detailed networks (209.165.202.128 & 192.0.2.16) the router will automatically convert them into classful networks.
As I think , from above sim there need to be configured RIPv2 with “no auto-summary” command.Because only OSPF doesn’t need to configure “no auto-summary”.
In addition , for run vce file you need to download Virtual Exam Suite pro.
Hope it helped :)
We need to set the clocking as well for the DCE serial interface to work between the routers as it is not done in above solution.
@Irtaza how can we set clocking ffor serial interface
@dce the R1-RT router has the clockrate set. I don’t think the R2-RC router needs the clockrate set on it’s interface.
Exactly “Just for help”. What about no auto-summary?
@dce
on the serial interface give below command
R2-RC(config-if)#clock rate 9600
it will set the clock rate of 9600 bps
@Cody
If R1-RT is the DCE which it is then we only need to set the clock on DCE. DTE will receive the clock from DCE automatically. below command can be used to check whether a serial interface is DCE or DTE.
R1-RT#show controllers serial 0/0/1
Hope this helps.
Rgds
question is asking the exec mode password cisco2 but they are configure the condole mode password on following answer
@Fraz
You can also just enter the command `clock rate X` (X stands for the number of bps) on either end of the serial connection. If you enter it on the DTE, IOS will just tell you that the clock rate command is for DCE interfaces only.
Yes. Fraz has right. Router receive an information that this command can be applied only on DCE interface.
Question is about “no auto summary” command. Is it necessary or not?
Yes, had to put clock statement on s0/0/1 of R1-RT
conf t
Int s0/0/1
clock rate 56000
And to get the network connected to F0/0 on R1-RT you will need to put RIP on R1-RT router.
router rip
version 2
network 192.0.2.0
network 198.18.1.0
no auto-summary
I then took the router rip statement off and was still able to ping 198.18.1.1 interface. Strange.. Arp cache?
no need to issue no auto-summary in this topology because the network is not discontiguous. We only issue no auto-summary command for discontiguous networks so that routers will not summarize routing updates to classful boundaries.
in the tracer you have to set the clock rate in order for the net 198.0.2.0 will appear in the routing table
Is this sim come in exam..???,
Bcoz i see mostly VTP, EIGRP, ACL & NAT sim comes in exam.
After applying all the correct configurations you must change the clock rate on R1′s s0/0/1 to 64000 to ping. For this packet tracer simulation. I doubt a flaw like that will be present in the CCNA sim
Does anyone out there have Packet Tracer 6 or later? Please send to aaegh7@gmail.com. My version (V5) does not support iBGP…I’m preparing for CCIE.
Thanks in advance.
Hey dudes if you enter the (sh ip int brief) command in R2-RC you will receive the message that se0/0/0 is UP – DOWN so there is no clock signal. Please revise this kind of messages because is a exam question.
Anyhow in Exam you only will be able to access to the router to configure, so the signal it will be already set, although it is always advisory to try the (sh ip int brief command) in order to check if everything is OK, if possible. If not, check ping and you´ll receive the answer.
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Hello :) very usfeul labs!
i have a few questions…
we only need to add networks in R2? why not in R1 and clock rate? if i add Rip2 and networks in R1 i can see RIP running between routers with ” Show ip route” command. is this bad configuration?
Thanks in advance.
Just passed my exam, 890/825. It was easy at the end, thanks 9tut
Eigrp, ACL were in the simulation. Tab key or question mark was not working all the time.
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should i use the clock rate command to get full mark of this sim or just i do what it is writen above
plz any one can help me
No need for ” no auto-summary ” because the network is contigous
No need for ” no auto-summary ” because the network is contiguous
and it will add many subnets in routing table, you need it to summary
but no problem if you do no auto-summary
My problem is :
Show ip route on both routers displays only the networks directly connected to each router.
Normaly, rip updates between routers make 198.18.1.0 appear on the routing table of R2-RC. It is not the case !
I am sorry but are you saying that no-auto summary is not needed the network is discontiguous
We ‘ve different subnet mask in each network segment…
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